These tours won't last long.

SAN ANTONIO — A free chance to tour a part of the city's underworld that is rarely seen by the public, Robber Baron Cave, is coming up on April 9. The cave, located a mile south of 410 on Nacogdoches ...

Texas is full of holes, and lots ot them. With limestone underground, it is estimated that 13,000 caves, sinkholes and springs are underground in Texas. However, only a handful are Show Caves or ...

There are 7,000 caves in Texas, and perhaps even more are waiting to be discovered every day. Millions of years of Earth's history are hidden, preserved and sitting in total darkness just below our ...

SAN ANTONIO — Firefighters with the San Antonio Fire Department descended into the darkness of Robber Baron Cave for an annual training exercise. The goal is to help prepare crews for one of the most ...

See inside Cascade Caverns in Boerne. It became the first “private touring” cave in Texas back in the 1870s, and opened to the public in 1932. Now, it offers a cool spot to visit during the summer, ...

Every evening, millions of bats swarm out of a single cave in Texas, making it one of the most stunning natural phenomena to witness. The colony is so huge that it turns the sky black as they begin ...